Gearbox cover for an electric gearbox motor



FIG. 1 is a front and lower right perspective view of a gearbox cover for an electric gearbox motor showing my new design;

FIG. 2 is a rear elevational view thereof shown on an enlarged scale;

FIG. 3 is a left side elevational view thereof shown on an enlarged scale;

FIG. 4 is a right side elevational view thereof shown on an enlarged scale;

FIG. 5 is a top plan view thereof shown on a reduced scale;

FIG. 6 is a bottom plan view thereof shown on a reduced scale; and,

FIG. 7 is an inverted front and lower right perspective view thereof. The broken line showing of the electric motor circuit board and microswitch is included for the purpose of illustrating environmental elements only and forms no part of the claimed design. 

The ornamental design for a gearbox cover for an electric gearbox motor, as shown and described. 